270920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 657720

約数和(自身を除く): 386800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 521, 1042, 2084, 2605, 4168, 5210, 6773, 10420, 13546, 20840, 27092, 33865, 54184, 67730, 135460, 270920]

約数ペア:

[(1, 270920), (2, 135460), (4, 67730), (5, 54184), (8, 33865), (10, 27092), (13, 20840), (20, 13546), (26, 10420), (40, 6773), (52, 5210), (65, 4168), (104, 2605), (130, 2084), (260, 1042), (520, 521)]